3-Hydroxy-5-iodo-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Hydroxy-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
6-Hydroxy-4-iodo-3-(trifluoromethoxy)pyridine-2-acetic acid